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  • Title: Renal lactate dehydrogenase (LDH) isoenzyme pattern in short-term experimental obstructive nephropathy.
    Author: Cestonaro G, Emanuelli G, Calcamuggi G, Anfossi G, Gatti G.
    Journal: Invest Urol; 1979 Jul; 17(1):46-9. PubMed ID: 447486.
    Abstract:
    The lactate dehydrogenase isoenzyme pattern of different zones of rat kidney has been investigated at different stages after unilateral ureteral obstruction. In the obstructed kidney, the cortical tissue showed an early (3 days) progressive shift toward a cathodic zymogram; at 7 days LDH-5 isoenzyme was the predominant fraction (44.7 +/- 2.5). In the outer medullary tissue a similar change was observed even though middle fractions were always quite evident. No significant changes were found in the inner medullary tissue. The observed enzymatic abnormalities are related to renal hypoxia and to the occurrence of a less differentiated nephronic cell population. They represent a metabolic marker of the morphologic and functional alterations which occur in obstructive nephropathy.
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